Cell renewal in human epidermis.
D000328:Adult; D000368:Aged; D001345:Autoradiography; D001706:Biopsy; D002455:Cell Division; D002986:Clinical Trials as Topic; D006801:Humans; D008875:Middle Aged; D012879:Skin Physiological Phenomena; D013936:Thymidine; D014316:Tritium
D014316:Tritium; D013936:Thymidine